The OECD defined a country’s adult education level as the percentage of people between the ages of 25 and 64 who have completed some kind of tertiary education in the form of a two-year degree, four-year degree or vocational program.

Here are the 10 most educated countries:

10. Luxembourg – 42.86 percent9. Norway – 43.02 percent

8. Finland – 43.60 percent

7. Australia – 43.74 percent

6. United States – 45.67 percent

5. United Kingdom – 45.96 percent

4. Korea – 46.86 percent

3. Israel – 49.90 percent

2. Japan – 50.50 percent

1. Canada – 56.27 percent

Canada tops the list as the most educated country in the world. According to the OECD over 56 percent of adults in the Great White North have earned some kind of education after high school.

“We need education to enable people to learn, think, and adapt,” he said. “Our natural resources are important, and they always will be. But Canadians know that what it takes to grow and prosper isn’t just what’s under our feet, it’s what between our ears.”

Canada is followed by highly-educated countries like Japan, Israel and Korea.

The United States ranked sixth on the OECD’s list. According to the OECD, 45.7 percent of American adults between the ages of 25 and 64 have completed some kind of tertiary education in the form of a two-year degree, four-year degree or vocational program. The U.S. Censusestimates that about 33 percent of American adults possess a bachelor’s degree or more.